<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title></title>
</head>
<body>
    <h1>登录</h1>
    <hr />
    <form action="check.php" method="post">
        用户名：<input type="text" name="username">
        <br />
        密码：<input type="password" name="userpwd">
        <br />
        <input type="submit">
    </form>
</body>
</html>

<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2021/12/6
 * Time: 10:06
 */